Style Change: NULL->nullptr

tools/skpdiff/SkCLImageDiffer.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <cstring>
 
 #include "SkBitmap.h"
@@ skipping 42 matching lines @@
         SkDebugf("Failed to read kernel source file");
         return false;
     }
 
     return loadKernelSource(sourceString.c_str(), name, kernel);
 }
 
 bool SkCLImageDiffer::loadKernelSource(const char source[], const char name[], cl_kernel* kernel) {
     // Build the kernel source
     size_t sourceLen = strlen(source);
-    cl_program program = clCreateProgramWithSource(fContext, 1, &source, &sourceLen, NULL);
-    cl_int programErr = clBuildProgram(program, 1, &fDevice, "", NULL, NULL);
+    cl_program program = clCreateProgramWithSource(fContext, 1, &source, &sourceLen, nullptr);
+    cl_int programErr = clBuildProgram(program, 1, &fDevice, "", nullptr, nullptr);
     if (CL_SUCCESS != programErr) {
         SkDebugf("Program creation failed: %s\n", cl_error_to_string(programErr));
 
         // Attempt to get information about why the build failed
         char buildLog[4096];
         clGetProgramBuildInfo(program, fDevice, CL_PROGRAM_BUILD_LOG, sizeof(buildLog),
-                              buildLog, NULL);
+                              buildLog, nullptr);
         SkDebugf("Build log: %s\n", buildLog);
 
         return false;
     }
 
     cl_int kernelErr;
     *kernel = clCreateKernel(program, name, &kernelErr);
     if (CL_SUCCESS != kernelErr) {
         SkDebugf("Kernel creation failed: %s\n", cl_error_to_string(kernelErr));
         return false;
@@ skipping 31 matching lines @@
                              &imageErr);
     bitmap->unlockPixels();
 
     if (CL_SUCCESS != imageErr) {
         SkDebugf("Input image creation failed: %s\n", cl_error_to_string(imageErr));
         return false;
     }
 
     return true;
 }